mirror of
				https://github.com/MariaDB/server.git
				synced 2025-10-31 19:06:14 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			101 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
| create schema foo;
 | |
| show create schema foo;
 | |
| Database	Create Database
 | |
| foo	CREATE DATABASE `foo` /*!40100 DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci */
 | |
| show schemas;
 | |
| Database
 | |
| foo
 | |
| information_schema
 | |
| mtr
 | |
| mysql
 | |
| performance_schema
 | |
| sys
 | |
| test
 | |
| drop schema foo;
 | |
| #
 | |
| # Bug #48940 MDL deadlocks against mysql_rm_db
 | |
| #
 | |
| connect con2, localhost, root;
 | |
| connection default;
 | |
| CREATE SCHEMA schema1;
 | |
| CREATE TABLE schema1.t1 (a INT);
 | |
| START TRANSACTION;
 | |
| INSERT INTO schema1.t1 VALUES (1);
 | |
| connection con2;
 | |
| DROP SCHEMA schema1;
 | |
| connection default;
 | |
| ALTER SCHEMA schema1 DEFAULT CHARACTER SET utf8;
 | |
| Got one of the listed errors
 | |
| COMMIT;
 | |
| connection con2;
 | |
| connection default;
 | |
| disconnect con2;
 | |
| #
 | |
| # Bug #49988 MDL deadlocks with mysql_create_db, reload_acl_and_cache
 | |
| #
 | |
| connect  con2, localhost, root;
 | |
| connection default;
 | |
| CREATE SCHEMA schema1;
 | |
| CREATE TABLE schema1.t1 (id INT);
 | |
| LOCK TABLE schema1.t1 WRITE;
 | |
| connection con2;
 | |
| DROP SCHEMA schema1;
 | |
| connection default;
 | |
| # CREATE SCHEMA used to give a deadlock.
 | |
| # Now we prohibit CREATE SCHEMA in LOCK TABLES mode.
 | |
| CREATE SCHEMA IF NOT EXISTS schema1;
 | |
| ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
 | |
| # UNLOCK TABLES so DROP SCHEMA can continue.
 | |
| UNLOCK TABLES;
 | |
| connection con2;
 | |
| connection default;
 | |
| disconnect con2;
 | |
| #
 | |
| # Bug#54360 Deadlock DROP/ALTER/CREATE DATABASE with open HANDLER
 | |
| #
 | |
| CREATE DATABASE db1;
 | |
| CREATE TABLE db1.t1 (a INT);
 | |
| INSERT INTO db1.t1 VALUES (1), (2);
 | |
| connect  con1, localhost, root;
 | |
| HANDLER db1.t1 OPEN;
 | |
| connection default;
 | |
| # Sending:
 | |
| DROP DATABASE db1;
 | |
| connect  con2, localhost, root;
 | |
| connection con1;
 | |
| CREATE DATABASE db2;
 | |
| ALTER DATABASE db2 DEFAULT CHARACTER SET utf8;
 | |
| DROP DATABASE db2;
 | |
| HANDLER t1 CLOSE;
 | |
| connection default;
 | |
| # Reaping: DROP DATABASE db1
 | |
| disconnect con1;
 | |
| disconnect con2;
 | |
| #
 | |
| # Tests for increased CREATE/ALTER/DROP DATABASE concurrency with
 | |
| # database name locks.
 | |
| # 
 | |
| connect  con2, localhost, root;
 | |
| connect  con3, localhost, root;
 | |
| connection default;
 | |
| CREATE DATABASE db1;
 | |
| CREATE TABLE db1.t1 (id INT);
 | |
| START TRANSACTION;
 | |
| INSERT INTO db1.t1 VALUES (1);
 | |
| connection con2;
 | |
| # DROP DATABASE should block due to the active transaction
 | |
| # Sending:
 | |
| DROP DATABASE db1;
 | |
| connection con3;
 | |
| # But it should still be possible to CREATE/ALTER/DROP other databases.
 | |
| CREATE DATABASE db2;
 | |
| ALTER DATABASE db2 DEFAULT CHARACTER SET utf8;
 | |
| DROP DATABASE db2;
 | |
| connection default;
 | |
| # End the transaction so DROP DATABASE db1 can continue
 | |
| COMMIT;
 | |
| connection con2;
 | |
| # Reaping: DROP DATABASE db1
 | |
| connection default;
 | |
| disconnect con2;
 | |
| disconnect con3;
 | 
